Double plate wafer check valve
Double plate wafer swing check valve
For BS 4504 BS EN1092-2 PN10 / PN16/ PN25 flange mounting.
Face-to-Face dimension conforms to ISO 5752 / BS EN558.
Epoxy fusion coating.
Working Pressure |
PN10 / PN16 / PN25 |
Testing Pressure |
Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
Working Temperature |
-10°C to 80°C (NBR) -10°C to 120°C (EPDM) |
Suitable Media |
Water, Oil and gas. |
Part |
Material |
Body |
Ductile Iron / WCB |
Disc |
Ductile Iron / Al Bronze / Stainless Steel |
Spring |
Stainless Steel |
Shaft |
Stainless Steel |
Seat Ring |
NBR / EPDM |
Wafer butterfly check valve is a save-energy product,is manufactured based on the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining performance,high safety and reliability and low flow resistance.It is suitable for systems in the industrials of petrochemicals,food processing,medcine,textitle,paper-making,water supply and drainage,metallurgy,energy and light industry.